Finding the Fourth Proportional to 376,935.91, 520,157.28 and 215,805.94
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Solution
The fourth proportional to 376,935.91, 520,157.28 and 215,805.94 is: 297,804.02
Step by Step Solution
- Step 1: Write the proportion equation
376,935.91 : 520,157.28 = 215,805.94 : x - Step 2: Convert to fraction form
376,935.91/520,157.28 = 215,805.94/x - Step 3: Cross multiply
376,935.91x = 520,157.28 × 215,805.94 - Step 4: Simplify right side
376,935.91x = 112,253,030,758.24 - Step 5: Solve for x
x = 112,253,030,758.24/376,935.91 - Step 6: Final answer
x = 297,804.02
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.